Earthed Isolation Transformers L-830 (60Hz) or L-831 (50Hz)

Integro FAA Approved Series Isolation Transformers are used to isolate high operating voltage for constant current airfield lights in a series circuit. They are encapsulated and designed to operate efficiently while submerged in water.

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Description

Application

Integro FAA Approved Series Isolation Transformers are used to isolate high operating voltage for constant current airfield lights in a series circuit. They are encapsulated and designed to operate efficiently while submerged in water. They are approved to operate between -55 C and + 65 C and can be installed above ground, in metal cans or direct buried.

Testing

Integro ICAO Style Earthed Series Isolation Transformers are tested in accordance with the FAA L-830 (60 Hz) and L-831 (50 Hz) specifications per FAA Advisory Circular 150/5345-47. All Integro Earthed Transformers undergo 100% Quality Testing which includes visual inspection, ratio testing, heat testing and HIPOT testing.

Design

Integro ICAO Style Earthed Series Isolation Transformers come equipped with an earthed stud for grounding in the field. Although earthed transformers are not listed under FAA guidelines, Integro earthed transformers are manufactured in accordance with L-830 (60 Hz) or L-831 (50 Hz) specifications.

 

Airfield Lighting Power – Earthed Isolation Transformers – Design Frequency = 60 Hz
Integro Part #
Watts
Pri/Sec Amps
Weight (in lbs.)
11717-G
10/15W
6.6/6.6
3.62
11729-G
20/25W
6.6/6.6
4.22
11680-G
30/45W
6.6/6.6
4.22
11681-G
30/45W
20/6.6
4.20
11682-G
65W
6.6/6.6
4.25
11683-G
100W
6.6/6.6
8.60
11684-G
100W
20/6.6
8.50
11730-G
150W
6.6/6.6
8.60
11731-G
150W
20/6.6
8.60
11685-G
200W
6.6/6.6
10.60
11686-G
200W
20/6.6
10.30
11736-G
300W
6.6/6.6
11.50
11760-G
300W
20/6.6
12.50
11755-G
300W
20/20
12.50

 

The leads are:

  • Style 2– Male Primary Lead on 8/1 cable, 24″ long
  • Style 9– Female Primary Lead on 8/1 cable, 24″ long (Both leads are rated 25 Amps and 5,000 Volts)
  • Style 8– Female Secondary Lead on 12/2 cable, 48″ long (Rated 20 Amps and 600 Volts)

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Airfield Lighting Power – Earthed Isolation Transformers – Design Frequency = 50 Hz
Integro Part #
Description
Pri/Sec Amps
Weight (in lbs.)
11732-G
10/15W
6.6/6.6
3.60
11733-G
20/25W
6.6/6.6
3.60
11710-G
30/45W
6.6/6.6
4.34
11723-G
30/45W
20/6.6
4.20
11712-G
65W
6.6/6.6
4.57
11683-G
100W
6.6/6.6
8.60
11714-G
100W
20/6.6
8.50
11730-G
150W
6.6/6.6
8.60
11731-G
150W
20/6.6
8.60
11715-G
200W
6.6/6.6
10.60
11716-G
200W
20/6.6
10.30

 

The leads are:

  • Style 2– Male Primary Lead on 8/1 cable, 24″ long
  • Style 9– Female Primary Lead on 8/1 cable, 24″ long (Both leads are rated 25 Amps and 5,000 Volts)
  • Style 8– Female Secondary Lead on 12/2 cable, 48″ long (Rated 20 Amps and 600 Volts)

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